import java.util.HashMap;
import java.util.Scanner;

/**
 * 配置文件恢复
 */
public class BackUpProperties {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNext()) {
            HashMap<String, String> orderMap = new HashMap<>();
            orderMap.put("reset","reset what");
            orderMap.put("reset board","board fault");
            orderMap.put("board add","where to add");
            orderMap.put("board delet","no board at all");
            orderMap.put("reboot backplane","impossible");
            orderMap.put("backplane abort","install first");
            String order = scanner.nextLine();
            if (orderMap.containsKey(order)) {
                System.out.println(orderMap.get(order));
            } else {
                System.out.println("unkown command");
            }
        }
    }
}
